Zynga, Groupon losses highlight tech trading

SAN FRANCISCO (MarketWatch) -- Tech stocks tried to edge upward in early trading Friday, but it was notable losses from Zynga Inc.
ZNGA, +0.40%
and Groupon Inc.
GRPN, +0.21%
that took the sector's spotlight. Zynga shares fell almost 9%, to $2.39 after the company on Thursday announced changes to it online-gaming partnership with Facebook Inc.
FB, -1.26%
while Groupon was down by more than 8%, at $4.16 as the online daily deal company's board decided to stick with Chief Executive Andrew Mason. The Nasdaq Composite Index
$compq
remained near its breakeven point of 3,011.

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